How often do you need to recharge your mobile phone, iPod, GPS and other gadgets? Science has published a research article about WiTricity - an experimental system to deliver power without the need for wires.
The demo made a 60W light bulb glow over distances in excess of 2 meters. The power is transmitted between two copper coils using the resonance of low frequency electromagnetic waves. Check out the article on BBC News.
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